* {
  margin: 0;
  padding: 0;
  list-style: none;
  box-sizing: border-box;
}

a {
  text-decoration: none;
}

.clearfix::after {
  content: '';
  display: block;
  height: 0;
  clear: both;
}

.w {
  width: 1200px;
  margin: 0 auto;
}

/* 头部 */
header {
  width: 100%;
  height: 183px;
  background-color: antiquewhite;
}

/* <!-- 文档帮助中心 图片 --> */
.docHelp {
  width: 100%;
  height: 100px;
  background: url(../images/notice/article_bg.jpg) no-repeat;
  background-size: 100% 100px;
}

.docHelp h2 {
  height: 100px;
  line-height: 100px;
  font-weight: 400;
  font-size: 28px;
  color: #fff;
}


/* <!-- 搜索框 --> */
.article_search {
  height: 82px;
  padding-top: 8px;
  background-color: #f8f8f8;
}

.search {
  position: relative;
  width: 644px;
  height: 48px;
  margin-left: 255px;
}

/* 记录搜索框 */
.jilu {
  display: none;
  position: absolute;
  top: 50px;
  left: 0;
  z-index: 99;
  width: 190px;
  max-height: 230px;
  background-color: #fff;
  border-radius: 5px;
  box-shadow: 0px 2px 4px 2px #eee;
  padding: 10px 0px;
  overflow: hidden;
}

.jilu li {
  width: 190px;
  height: 42px;
  line-height: 42px;
  padding: 0px 20px;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 14px;
}

.jilu li:hover {
  background-color: #eee;
}

.search input {
  float: left;
  width: 530px;
  height: 48px;
  background-color: #fff;
  border: none;
  outline: none;
  border-radius: 24px 0px 0px 24px;
  padding: 10px 20px;
  /* text-indent: 1.5em; */
}

.searchBtn {
  float: left;
  display: block;
  width: 114px;
  height: 48px;
  border-radius: 0px 24px 24px 0px;
  text-align: center;
  line-height: 48px;
  background-color: #f42424;
  color: #fff;
  font-size: 16px;
  outline: none;
  border: 0;
  cursor: pointer;
}

.searchBtn i {
  font-size: 17px;
  font-weight: 600;
  vertical-align: middle;
}


/* 文章分类 */
/* 侧边栏 */
.article {
  width: 100%;
  padding-bottom: 50px;
  background-color: #f8f8f8;
}

.article_side {
  float: left;
  width: 230px;
  /* height: 600px; */
  margin-right: 20px;
  cursor: pointer;
}

.article_tit {
  width: 230px;
  height: 40px;
  line-height: 40px;
  background-color: #333333;
  text-align: center;
  font-weight: bold;
  color: #fff;
  cursor: pointer;
}

.article_cont {
  position: relative;
  width: 230px;
  height: 41px;
  line-height: 40px;
  background-color: #fff;
  border-bottom: 1px solid #eee;
  padding: 0px 20px;
  color: #555;
  font-size: 14px;
  cursor: pointer;
  font-weight: 700;
}

.article_cont i {
  position: absolute;
  top: 0px;
  right: 20px;
}

.erji {
  width: 230px;
  padding: 10px 0px;
  border-bottom: 1px solid #eee;
  background-color: #fff;
  display: none;
}

.erji li {
  width: 230px;
  height: 35px;
  line-height: 35px;
  padding-left: 40px;
}

.sanji {
  width: 190px;
  margin-left: 40px;
  border-top: 1px solid #eee;
  display: none;
}

.sanji li {
  width: 190px;
  height: 35px;
  line-height: 35px;
  /* padding-left: 40px; */
}

.article_side a {
  color: #555;
  font-size: 14px;
}

.article_side li:hover a {
  color: red;
}

.article_side li {
  position: relative;
  background-color: #fff;
}

.erji li::before {
  content: '';
  display: block;
  width: 4px;
  height: 4px;
  border: 1px solid gray;
  border-top: none;
  border-left: none;
  transform: rotate(-45deg);
  position: absolute;
  top: 16px;
  left: 24px;
}

.erji li i {
  position: absolute;
  top: 0px;
  right: 20px;
  font-size: 14px;
  font-weight: 700;
}

.sanji li::before {
  content: '';
  display: block;
  width: 4px;
  height: 4px;
  border: 1px solid gray;
  border-top: none;
  border-left: none;
  transform: rotate(-45deg);
  position: absolute;
  top: 16px;
  left: 24px;
}

/* 内容区 */
.article_main {
  float: left;
  width: 950px;
  padding: 26px 20px 0px;
  background-color: #fff;
}

.am_top {
  width: 910px;
  height: 40px;
  line-height: 40px;
  margin-bottom: 12px;
  /* overflow: hidden; */
}

.am_top h2 {
  float: left;
  height: 40px;
  padding-left: 20px;
  font-size: 21px;
  font-weight: 400;
}

.am_bot li {
  border-top: 1px solid #eee;
  padding: 10px 20px;
  color: #555;
}

.am_bot li h3 {
  position: relative;
  margin-bottom: 5px;
  line-height: 24px;
  font-size: 16px;
  font-weight: 400;
}

.am_bot li h3 a {
  color: #555;
}

.am_bot li h3 a:hover {
  color: red;
}

.dot {
  position: absolute;
  top: 11px;
  left: -14px;
  display: block;
  width: 5px;
  height: 5px;
  background-color: #d4d4d4;
  border-radius: 50%;
}

.am_bot li p {
  font-size: 12px;
  line-height: 18px;
}

.ams_top {
  width: 910px;
  height: 40px;
  line-height: 40px;
  margin-bottom: 12px;
  color: #555;
  /* overflow: hidden; */

}

.ams_top h2 {
  float: left;
  height: 40px;
  padding-left: 20px;
  font-size: 21px;
  font-weight: 400;
}

.ams_top_suoyin {
  float: right;
  height: 40px;
  font-size: 12px;
  color: #8c8c8c;
}

.ams_top_suoyin a {
  color: #8c8c8c;
}

.ams_top_suoyin a:hover {
  color: red;
}

.ams_bot_t {
  width: 910px;
  padding: 25px 20px;
  border-top: 1px solid #eee;
  font-size: 14px;
  line-height: 25px;
  overflow: hidden;
}

.ams_bot_b {
  width: 910px;
  padding: 0px 20px 20px;
  /* height: 45px; */
  line-height: 45px;
  font-size: 14px;
  overflow: hidden;
  color: #555;
}

.ams_bot_b a {
  color: #555;
}

.ams_bot_b a:hover {
  color: red;
}

.lf {
  float: left;
}

.rg {
  float: right;
}

.box {
  width: 100%;
  height: 2000px;
  background-color: aquamarine;
}